53124666636889 has 9 divisors (see below), whose sum is σ = 54599551059711. Its totient is φ = 51688602443880.

The previous prime is 53124666636883. The next prime is 53124666636893. The reversal of 53124666636889 is 98863666642135.

The square root of 53124666636889 is 7288667.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 47536681249225 + 5587985387664 = 6894685^2 + 2363892^2 .

It is not a de Polignac number, because 53124666636889 - 2³⁵ = 53090306898521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53124666636883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 269582184 + ... + 269779174.

Almost surely, 2^{53124666636889} is an apocalyptic number.

53124666636889 is the 7288667-th square number.

53124666636889 is the 3644334-th centered octagonal number.

It is an amenable number.

53124666636889 is a deficient number, since it is larger than the sum of its proper divisors (1474884422822).

53124666636889 is an frugal number, since it uses more digits than its factorization.

53124666636889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394056 (or 197028 counting only the distinct ones).

The product of its digits is 1612431360, while the sum is 73.

The spelling of 53124666636889 in words is "fifty-three trillion, one hundred twenty-four billion, six hundred sixty-six million, six hundred thirty-six thousand, eight hundred eighty-nine".